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An office building on fire in Tokyo Photograph: Kyodo/Reuters People on top of a building at Sendai airport Miyagi prefecture as cars, planes and debris are swept past Photograph: Kyodo/Reuters Page created by W. G. HuangCredit: Guardian Unlimited

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Tsunami Generation: This animation by Prof. Miho Aoki from the University of Alaska Fairbanks Art Department provides a very nice look at how a tsunami can be generated by a subduction zone earthquake.

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Earthquake-generated tsunamis  Seafloor deformed by earthquake  Wave initiated with small amplitude and high speed in deep water  Speed decreases and amplitude increases in shallow water Page created by W. G. Huang

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Pacific Tsunami Warning Center PTWC Alaska Tsunami Warning Center ATWC Hawaii Alaska Pacific Tsunami Warning Center PTWC The PTWC was established in 1948, following the 1946 tsunami in Hawaii that left more than 150 people dead. The ATWC was established in 1967 as a result of the 1964 9.2 earthquake in Alaska that left 132 dead— 122 of those deaths have been attributed to the tsunami that was generated. 黃色表地震帶 DART station Photo courtesy DART Map Credit : U.S. National Oceanic & Atmospheric Administration (NOAA) and U.S. National Tsunami Hazard Mitigation Program Page created by W. G. Huang